Optimus MO2-700ETH Installation And Operating Instructions Manual page 7

2) At the bottom of the unit, unscrew the cover to access the battery holder.
3) Insert the battery respecting the polarity
indicated in the drawing.
4) Screw the cover back on and
connect the power supply.
MO2-700ETH 5.2.02 Version
MO2-700ETH
2)
3)
IP receiver with one music
output and one paging output
4)
R+D Department 7